“武运粳７号”分蘖消长及成穗规律在我地区尚未得到系统研究。为探索这一问题，可为配套促控技术提供科学依据，对不同群体类型跟踪观察其分蘖的成穗特点。１观察方法 统一布置，各农情点在７月２０日高峰苗期后，选择３０万以下、３０～３５万、３５－４０万、４０万以上不同 “Wuyunjing 7” tiller growth and spike law in our region has not been systematically studied. In order to explore this issue, we can provide a scientific basis for supporting and controlling the technology, and observe the characteristics of its tillering ear to different groups. 1 observation methods unified layout, the various agricultural points in the peak seedling on July 20, the choice of 300,000 or less, 30 to 350,000, 35-40 million, more than 400,000 different